143829689 has 2 divisors, whose sum is σ = 143829690. Its totient is φ = 143829688.

The previous prime is 143829629. The next prime is 143829713. The reversal of 143829689 is 986928341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135373225 + 8456464 = 11635^2 + 2908^2 .

It is a cyclic number.

It is not a de Polignac number, because 143829689 - 2²⁴ = 127052473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143829629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71914844 + 71914845.

It is an arithmetic number, because the mean of its divisors is an integer number (71914845).

Almost surely, 2^143829689 is an apocalyptic number.

It is an amenable number.

143829689 is a deficient number, since it is larger than the sum of its proper divisors (1).

143829689 is an equidigital number, since it uses as much as digits as its factorization.

143829689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 143829689 is about 11992.9016088685. The cubic root of 143829689 is about 523.9415579306.

The spelling of 143829689 in words is "one hundred forty-three million, eight hundred twenty-nine thousand, six hundred eighty-nine".